Home / 1,827.34-2,741.19-528.78

Finding the Fourth Proportional to 1,827.34, 2,741.19 and 528.78

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Solution

The fourth proportional to 1,827.34, 2,741.19 and 528.78 is: 793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.34 : 2,741.19 = 528.78 : x
  2. Step 2: Convert to fraction form
    1,827.34/2,741.19 = 528.78/x
  3. Step 3: Cross multiply
    1,827.34x = 2,741.19 × 528.78
  4. Step 4: Simplify right side
    1,827.34x = 1,449,486.45
  5. Step 5: Solve for x
    x = 1,449,486.45/1,827.34
  6. Step 6: Final answer
    x = 793.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.